SOLUTION: I need to simplify
sqrt(15)(2sqrt(3)-4sqrt(5))
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Question 453615: I need to simplify
sqrt(15)(2sqrt(3)-4sqrt(5))
Answer by ilana(307) (Show Source): You can put this solution on YOUR website!
Distribute sqrt(15) to both terms.
sqrt(15)(2sqrt(3) - 4sqrt(5))
= 2sqrt(15)sqrt(3) - 4sqrt(15)sqrt(5)
= 2sqrt(5)sqrt(3)sqrt(3) - 4sqrt(5)sqrt(3)sqrt(5)
= 2sqrt(5)*3 - 4sqrt(3)*5
= 6sqrt(5) - 20sqrt(3)
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